349990339 has 8 divisors (see below), whose sum is σ = 371683728. Its totient is φ = 328419840.

The previous prime is 349990327. The next prime is 349990349. The reversal of 349990339 is 933099943.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 349990339 - 2⁵ = 349990307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 349990292 and 349990301.

It is not an unprimeable number, because it can be changed into a prime (349990349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24817 + ... + 36274.

It is an arithmetic number, because the mean of its divisors is an integer number (46460466).

Almost surely, 2^349990339 is an apocalyptic number.

349990339 is a deficient number, since it is larger than the sum of its proper divisors (21693389).

349990339 is a wasteful number, since it uses less digits than its factorization.

349990339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61445.

The product of its (nonzero) digits is 708588, while the sum is 49.

The square root of 349990339 is about 18708.0287310021. The cubic root of 349990339 is about 704.7233889608.

The spelling of 349990339 in words is "three hundred forty-nine million, nine hundred ninety thousand, three hundred thirty-nine".